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| = How to Install Mailman 3 on a Debian 10 Server. = This document is a How-To on installing Mailman 3 on a Debian 10 server. The server environment will include Debian 10, NGINX, Let's Encrypt, Postfix, and PosgresDB. == Prepare Server Environment == 1. Create a VPS running Debian 10. I recommend something from Digital Ocean or Linode. The server should be a minimum of 1 CPU and 2 Gigabyte of Memory. 25-50 Gb of storage should be sufficient. 2. Log into the server as root. {{{ $ ssh root@your_server_ip }}} 3. Create a New User: mailman {{{ # adduser mailman }}} You will be asked some questions about this new user when running the above command. Please make sure you use a strong password for mailman as it will be typically known that any server running Mailman 3 will have a mailman user setup on it. 4. Let's go ahead and grant the 'mailman' user SUDO privileges while logged in as root: {{{ # usermod -aG sudo mailman }}} 5. I recommend setting up a basic firewall to tighten up security on this Mailman 3 server. UFW is one that can be installed on a Debian 10 server: {{{ # apt update # apt install ufw }}} Once UFW is installed, you need to make sure you allow the various applications that Mailman 3 will be using through UFW. Some of these applications are the following: OpenSSH, Nginx Full, and Postfix. So here is an example of what to do immediately after you install UFW: {{{ # ufw app list }}} {{{ Output Available applications: . . . OpenSSH . . . }}} This tells us what available applications we can configure UFW to allow. So let's add OpenSSH to UFW: {{{ # ufw allow OpenSSH }}} Now we can enable UFW: {{{ # ufw enable }}} You can see what is allowed through the UFW firewall by running the following command: {{{ # ufw status }}} {{{ Output Status: active To Action From -- ------ ---- OpenSSH ALLOW Anywhere OpenSSH (v6) ALLOW Anywhere (v6) }}} == Webserver Installation: NGINX == 1. Both Django, Postorius, and Hyperkitty requires a web server. So let's install NGINX. {{{ apt install nginx }}} 2. Now that Nginx is installed, we need to allow it through the UFW Firewall. {{{ # ufw allow 'Nginx Full' }}} Let's verify the change. {{{ # ufw status }}} {{{ Output Status: active To Action From -- ------ ---- OpenSSH ALLOW Anywhere Nginx HTTP ALLOW Anywhere OpenSSH (v6) ALLOW Anywhere (v6) Nginx HTTP (v6) ALLOW Anywhere (v6) }}} 3. Let's make sure Nginx is running. {{{ # systemctl status nginx }}} {{{ Output ● nginx.service - A high performance web server and a reverse proxy server Loaded: loaded (/lib/systemd/system/nginx.service; enabled; vendor preset: enabled) Active: active (running) since Wed 2019-07-03 12:52:54 UTC; 4min 23s ago Docs: man:nginx(8) Main PID: 3942 (nginx) Tasks: 3 (limit: 4719) Memory: 6.1M CGroup: /system.slice/nginx.service ├─3942 nginx: master process /usr/sbin/nginx -g daemon on; master_process on; ├─3943 nginx: worker process └─3944 nginx: worker process }}} If your output has Active: active (running) then you are good to go. With Nginx confirmed to be running you should be able to access it via your server' IP address: {{{ http://your_server_ipaddress }}} Learning how to manage the Nginx processes and setting up server blocks is beyond the scope of this How-To. However feel free to contact me if you would like for me to edit this document and add those instructions into this particular section. == Securing Your Nginx Installation: Let's Encrypt == 1. The first step in securing Nginx is to install Certbot. This means first installing the dependencies for Certbot. {{{ # apt install python3-acme python3-certbot python3-mock python3-openssl python3-pkg-resources python3-pyparsing python3-zope.interface }}} Now we are ready to install Certbot: {{{ # apt install python3-certbot-nginx }}} Normally you would need to allow SSL traffic through the AFW firewall but we have already done previously in this how-to so we can continue on. 2. The next step is to fetch a SSL certificate for your Mailman 3 list domain name. This how-to assumes you know how to add a server block to Nginx. I keep my server blocks in /etc/nginx/conf.d/. You will need to make sure you have a server block setup already for your domain name before proceeding. To obtain a SSL certificate for your domain name run: {{{ # certbot --nginx -d your_domain }}} Certbox will go through its motions. At the end it is going to ask you whether you want to redirect all HTTP traffic to HTTPS. Choose 2 if yes which is what I recommend doing. That's it! We are now ready to install Postfix because after all, Mailman 3 needs to send out mail. == Mail Server Installation: Postfix == == Database Server Installation: Postgres == == Setup of a Python Virtual Environment == == Installation of Potentially Needed Applications == Now that we have a working web, email and database server it’s time to install a number of potentially needed applications. Install the following applications as root: {{{ # apt install ruby-sass # apt install memcached # apt install fail2ban # apt install gettext }}} == Setup Directories and Files for Mailman 3 == == Create and Enter Virtual Environment == == Installation of Additional Applications via PIP == == Setup Startup Scripts == |
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MailmanWiki: DOC/Howto_Install_Mailman3_On_Debian10 (last edited 2023-11-24 16:09:02 by msapiro)